Question: name a flammable gaz that starts with letter V
Paraphrase: name a flammable gaz that begins with letter V
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q10913792 . ?sbj wdt:P4952 wd:Q51139288 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'v')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: vinyl chloride, vinyl chloride, vinyl bromide, vinyl bromide, vinyl fluoride, vinyl fluoride